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Atorvastatin reduced soluble receptors of TNF-alpha in systemic lupus erythematosus


1, 2, 3, 4

 

  1. Department of Locomotor System, Medical School, Universidade Federal de Minas Gerais; and Rheumatology Service, Hospital das Clínicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil. gildaferreira9@gmail.com
  2. Department of Internal Medicine, Medical School, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil.
  3. Rheumatology Service, Hospital das Clínicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil.
  4. Rheumatology Division, Universidade Federal de São Paulo/Escola Paulista de Medicina (UNIFESP/EPM), São Paulo, Brazil.

CER8273
2016 Vol.34, N°1
PI 0042, PF 0048
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PMID: 26574625 [PubMed]

Received: 08/01/2015
Accepted : 23/06/2015
In Press: 17/11/2015
Published: 10/02/2016

Abstract

OBJECTIVES:
The aim of this study was to evaluate the efficacy of atorvastatin to reduce the plasma levels of TNF system molecules (TNF-α, sTNFR1 and sTNFR2) and to assess their association with risk factors for accelerate atherosclerosis and clinical disease activity scores in SLE patients.
METHODS:
In a previous study, 64 female SLE patients received 20 mg/day of atorvastatin and 24 SLE patients (non-treated group) were followed for 8 weeks. Plasma levels of TNF-α, sTNFR 1 and sTNFR 2 were measured by ELISA, at baseline and at the end of the study.
RESULTS:
The plasma levels of sTNFR1 and sTNFR 2 showed a positive correlation with SLEDAI score. We also found a positive correlation between TNF-α and sTNFR 1 levels and SLICC score. Patients with current nephritis and patients with anti-ds-DNA antibodies presented higher sTNFR1 and sTNFR2 levels. Patients with abdominal obesity and arterial hypertension also had higher plasma levels of soluble receptors. At the end of 8 weeks, we observed a significant decrease in sTNFR1 plasma levels in patients receiving atorvastatin [median (percentile), 876.5 (717–1284 pg/ml) vs. 748 (629.6–917.3 pg/ml), p=0.03], without difference regarding TNF-α and sTNFR2 plasma levels. The SLEDAI and SLICC scores were independent determinants of the plasma levels of sRTNF1.
CONCLUSIONS:
Atorvastatin reduced soluble receptors of TNF-α. The plasma levels of TNF-α, sTNFR1 and sTNFR2 may play a role in SLE activity and atherosclerosis, and might be evaluated as targets for new therapies.

Rheumatology Article